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Finding the Fourth Proportional to 64,274.45, 96,349.07 and 26,845.20

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Solution

The fourth proportional to 64,274.45, 96,349.07 and 26,845.20 is: 40,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,274.45 : 96,349.07 = 26,845.20 : x
  2. Step 2: Convert to fraction form
    64,274.45/96,349.07 = 26,845.20/x
  3. Step 3: Cross multiply
    64,274.45x = 96,349.07 × 26,845.20
  4. Step 4: Simplify right side
    64,274.45x = 2,586,509,919.74
  5. Step 5: Solve for x
    x = 2,586,509,919.74/64,274.45
  6. Step 6: Final answer
    x = 40,241.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.